Volcanic forcing of the Lomagundi–Jatuli carbon isotope excursion

Proceedings of the National Academy of Sciences, Volume 122, Number 49, December 2025.
ImportanceThe Lomagundi-Jatuli Event (LJE), more than 2 billion years ago, marked a major change in the terrestrial carbon cycle, following an increase in atmospheric oxygen. However, its cause remains unresolved. We have dated the black shales of Gabon at 2.194 billion…